Waters of the United States: Colorado
% intermittent/ephemeral streams by watershed
0% - 25%
25% - 50%
50% - 75%
75% - 100%
In Colorado, 55% of stream miles within native trout historical
range are classified as intermittent or ephemeral. 62% of stream
miles are in headwater streams. In the Upper Arkansas River, 68%
of streams are intermittent while 63% are headwaters.
Source: USGS, National Hydrography
Dataset Plus, 1:100,000.
er
Yam p a Riv
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Rive
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Longmont
Boulder
Lafayette--Louisville
te
Wh i t e
Fort Greeley
So
Collins
uth
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Riv
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Gr
at
So u
t h as
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Arkans
Colorado
Springs
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C o lo
Denver--Aurora
nsas River
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Grand
Junction
Pueblo
Colorado
Springs
iv e
rR
r
G unnison
Riv e
Upper Arkansas
River Inset Map
Ta
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lo
r
ive
r
streams
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anIntermittent/ephemeral
streams
de
Perennial
Perennialstreams
streams
Pueblo
Arkansas River
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Dolor
Rio Gra
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er
to
P ur ga
Ju
an
Riv
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iv e r
Ri
ve
San
:
0
10
20
Miles
30
40
R
ire iver